\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*}(x^[2abi*yx]/cot[3abi+3e15-{75q83}]) :|: <5e! / xlog42^nth> taken to 35% level (metasyntactic)
\end{equation*}
\end{document}
